103102120000 has 140 divisors (see below), whose sum is σ = 278902735056. Its totient is φ = 37491520000.

The previous prime is 103102119997. The next prime is 103102120001. The reversal of 103102120000 is 21201301.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (103102120001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 322839 + ... + 557161.

Almost surely, 2^103102120000 is an apocalyptic number.

103102120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103102120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139451367528).

103102120000 is an abundant number, since it is smaller than the sum of its proper divisors (175800615056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103102120000 is an equidigital number, since it uses as much as digits as its factorization.

103102120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234366 (or 234341 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 103102120000 its reverse (21201301), we get a palindrome (103123321301).

The spelling of 103102120000 in words is "one hundred three billion, one hundred two million, one hundred twenty thousand".